function showHomeProducts(ul) {
    hideHomeProducts();
    $("#" + ul).removeClass();
    $("#" + ul).addClass("showdiv");
}

function hideHomeProducts() {
    $("#cholesterol-products").removeClass();
    $("#blood-products").removeClass();
    $("#cholesterol-products").addClass("hidediv");
    $("#blood-products").addClass("hidediv");
}

function pagePrev() {
    var pageIndex = parseInt($("#pageIndex").attr("value"));

    if (pageIndex != 1) {
        gotoPage(pageIndex - 1);
    }
    else {
        gotoPage('3');
    }
}

function pageNext() {
    var pageIndex = parseInt($("#pageIndex").attr("value"));

    if (pageIndex != 3) {
        gotoPage(pageIndex + 1);
    }
    else {
        gotoPage('1');
    }
}

function gotoPage(page) {
    hidePages();    
    $("#healthy-page-" + page).attr("class", "showdiv");
    $("#hrefPage" + page).attr("class", "active");
    $("#pageIndex").attr("value", page);
}

function hidePages() {
    $("#healthy-page-1").attr("class", "hidediv");
    $("#healthy-page-2").attr("class", "hidediv");
    $("#healthy-page-3").attr("class", "hidediv");
    $("#hrefPage1").removeClass();
    $("#hrefPage2").removeClass();
    $("#hrefPage3").removeClass();
}

function openWindow(url) {
    window.open(url, "recipe", "resizable=yes,menubar=no,titlebar=no,location=no,status=no,scrollbars=no,width=615,height=600");
}

function openSTF(url) {
    window.open(url, "recipe", "resizable=yes,menubar=no,titlebar=no,location=no,status=no,scrollbars=no,width=615,height=500");
}

function openProduct(url) {
    window.open(url, "product", "resizable=yes,menubar=no,titlebar=no,location=no,status=no,scrollbars=no,width=615,height=500");
}